21688941128

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{1093}}^1\times {\mathrm{19531}}^1$

素因数の和:20757

約数の個数: 32

約数和(自身を含む): 41026575360

約数和(自身を除く): 19337634232

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 1093, 2186, 4372, 8744, 19531, 39062, 78124, 138811, 156248, 277622, 555244, 1110488, 2480437, 4960874, 9921748, 19843496, 21347383, 42694766, 85389532, 170779064, 2711117641, 5422235282, 10844470564, 21688941128]

約数ペア:

[(1, 21688941128), (2, 10844470564), (4, 5422235282), (8, 2711117641), (127, 170779064), (254, 85389532), (508, 42694766), (1016, 21347383), (1093, 19843496), (2186, 9921748), (4372, 4960874), (8744, 2480437), (19531, 1110488), (39062, 555244), (78124, 277622), (138811, 156248)]